Yann <[antispam]rollin***@mit..edu))> wrote:
> is it possible to access the normal vector to the object ?

  No.

  (You might want to search for the povman patch which might have this
property.)

-- 
#macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb M()}}
N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}//  - Warp -

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